Ducted propeller aircraft

Details Ducted propeller aircraft Ducted propeller aircraft

1982-09-30

1985-10-01

Barefoot, Galen

Aeronautics and astronautics

Aircraft power plants

Mounting

244 67, 244 13, B64D 2702, B64C 332

Patent

active

045441154

ABSTRACT:
A ducted propeller aircraft from which visibility is excellent and which is capable of operating quietly and efficiently has a propeller shroud which serves as a primary load path to pass bending and torsional stresses to which the mainplane is subject in use between the portions of the mainplane either side of the shroud, the shroud defining a duct which is unimpinged upon by any portion of the turbulent airflow emanating from the mainplane.

REFERENCES:
patent: Re18457 (1932-05-01), Lord
patent: 1833258 (1931-11-01), O'Connor
patent: 2558501 (1951-06-01), Turner
patent: 2623713 (1952-12-01), Foster
patent: 2918229 (1959-12-01), Lippisch
patent: 2971724 (1961-02-01), Zborowski
patent: 2994493 (1961-08-01), Hartman
patent: 3017139 (1962-01-01), Binder
patent: 4132069 (1979-01-01), Adamson et al.
patent: 4371133 (1983-02-01), Edgley
Design for Flying by David Thurston, pp. 161-163.
Gas Turbines and Jet Propulsion for Aircraft, by G. Geoffrey Smith, M.B.E., pp. 2, 7-9, 29-31.
Abstract from Belgium Pat. No. 457491, Inventor: Tips, Sep. 5, 1944.

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